The Treaty of Cession refers to an agreement in which one party transfers ownership of a territory to another. A notable example is the 1867 treaty between the United States and Russia, where Russia ceded Alaska to the U.S. for $7.2 million. This treaty marked a significant expansion of U.S. territory and was seen as a strategic move to enhance American presence in the Pacific region. Such treaties often involve negotiations and can be influenced by various factors, including economic interests and geopolitical strategies. The Treaty of Cession is an important historical document that illustrates how nations can alter their boundaries through formal agreements.